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CVE-2026-82793

Quick assessment

Affected
Contec Co., Ltd. CAN-2-WF
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Contec CAN 2.0B Communication Wireless LAN / USB Converter Unit是日本Contec公司的一款支持CAN2.0B通信的无线局域网与USB转换单元。 Contec CAN 2.0B Communication Wireless LAN / USB Converter Unit存在任意文件上传漏洞，该漏洞源于未限制上传危险类型文件，远程已认证攻击者上传特制文件可能导致任意代码执行。

CVSS 7.2 · High EPSS 0.63% · P50

Affected Version Matrix 2

VendorProduct Version RangeStatus
Contec Co., Ltd. CAN-2-USB < 2.20 affected
Contec Co., Ltd. CAN-2-WF < 2.20 affected
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I. Basic Information for CVE-2026-82793

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
Unrestricted upload of file with dangerous type issue exists in Contec CAN 2.0B Communication Wireless LAN / USB Converter Unit. If a specially crafted file is uploaded by a remote authenticated attacker, arbitrary code may be executed on the product.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
危险类型文件的不加限制上传
Source: CVE Program / CVE List V5
Vulnerability Title
Contec CAN 2.0B Communication Wireless LAN / USB Converter Unit 任意文件上传漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Contec CAN 2.0B Communication Wireless LAN / USB Converter Unit是日本Contec公司的一款支持CAN2.0B通信的无线局域网与USB转换单元。 Contec CAN 2.0B Communication Wireless LAN / USB Converter Unit存在任意文件上传漏洞，该漏洞源于未限制上传危险类型文件，远程已认证攻击者上传特制文件可能导致任意代码执行。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
Contec Co., Ltd. CAN-2-WF 0 ~ 2.20 -
Contec Co., Ltd. CAN-2-USB 0 ~ 2.20 -

II. Public POCs for CVE-2026-82793

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III. Intelligence Information for CVE-2026-82793

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Vendor Advisories for CVE-2026-82793 (1)

Other References for CVE-2026-82793 (1)

Same Patch Batch · Contec Co., Ltd. · 2026-09-14 · 32 CVEs total

CVE-2026-82787 9.8 CRITICAL Contec CONPROSYS IO-Link Master 授权问题漏洞
CVE-2026-82794 8.8 HIGH Contec solarview compact 命令注入漏洞
CVE-2026-82777 8.8 HIGH Contec CONPROSYS PAC Series 命令注入漏洞
CVE-2026-82770 8.8 HIGH Contec RP-WAH-SR Series 缓冲区错误漏洞
CVE-2026-82791 8.8 HIGH Contec CAN 2.0B Communication Wireless LAN / USB Converter Unit 命令注入漏洞
CVE-2026-82762 8.8 HIGH Contec FX5000 series 命令注入漏洞
CVE-2026-82772 8.8 HIGH Contec EC1000 series 缓冲区错误漏洞
CVE-2026-82774 8.8 HIGH Contec CONPROSYS M2M Gateway Series 命令注入漏洞
CVE-2026-82766 8.8 HIGH Contec SGA1000 命令注入漏洞
CVE-2026-82768 8.1 HIGH Contec SGA1000 路径遍历漏洞
CVE-2026-82765 8.1 HIGH Contec FX5000 series 路径遍历漏洞
CVE-2026-82784 6.5 MEDIUM Contec CONPROSYS nano Series 授权问题漏洞
CVE-2026-82786 6.3 MEDIUM Contec CONPROSYS nano Series 信任管理问题漏洞
CVE-2026-82776 6.1 MEDIUM Contec CONPROSYS PAC Series 跨站脚本漏洞
CVE-2026-82788 6.1 MEDIUM Contec CONPROSYS IO-Link Master 跨站脚本漏洞
CVE-2026-82773 6.1 MEDIUM Contec CONPROSYS M2M Gateway Series 跨站脚本漏洞
CVE-2026-82763 5.4 MEDIUM Contec FX5000 series 跨站脚本漏洞
CVE-2026-82781 5.4 MEDIUM Contec CONPROSYS nano Series 跨站脚本漏洞
CVE-2026-82771 5.4 MEDIUM Contec EC1000 series 跨站脚本漏洞
CVE-2026-82796 5.4 MEDIUM Contec solarview compact 跨站脚本漏洞

Showing top 20 of 32 CVEs. View all on vendor page &rarr; →

IV. Related Vulnerabilities

Same product: CAN-2-WF
Same vendor: Contec Co., Ltd.
Same weakness: CWE-434